I don't think you've said anything that disagrees with GP. Of course you can vote with your wallet. And of course a company can choose to seek profit from ads.
The tension between those two forces will find a natural result. Maybe the company goes out of business and whatever the company did is no longer available to anyone. Maybe they lose half their customers but still make more money and buy themselves yachts, and their remaining customers are satisfied.
The tension between those two forces will find a natural result. Maybe the company goes out of business and whatever the company did is no longer available to anyone. Maybe they lose half their customers but still make more money and buy themselves yachts, and their remaining customers are satisfied.